High Strength Grout (HS Grout) - 20kgHS Grout is a high performance, high strength, non shrink dual expansion Class C precision grout. HS Gout is a high performance, high strength, non shrink Class C cementitious grout. The highly fluid free flowing grout is a blend of Portland cement and graded aggregate and chemical additives. Dual expansion compensates for shrinkage in both plastic and hardened states. It is suitable for grouting gap distances 10mm to 140mm in a single application. HS